.controls {
    width: 137px;
    margin-top: 12px;
    float: left;

    .pre,.play,.pause,.next {
        background: url('http://s2.music.126.net/style/web2/img/frame/playbar.png?85b7716d71b33b73496dbc182eb9a255') no-repeat;
        cursor: pointer;
        text-indent: -9999px;
        float: left;
        width: 28px;
        height: 28px;
        margin-right: 8px;
        margin-top: 5px;
    }

    .pre {
        background-position: 0 -130px;
    }

    .play {
        width: 36px;
        height: 36px;
        margin-top: 0;
        background-position: 0 -204px;
        margin-right: 8px;
        &:hover {
            background-position: -40px -204px;
        }
    }

    .pause {
        width: 36px;
        height: 36px;
        margin-top: 0;
        background-position: 0 -165px;
        margin-right: 8px;
        &:hover {
            background-position: -40px -165px;
        }
    }

    .next {
        background-position: -80px -130px;
    }
}